Hollow Section-Square Tubes
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
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Hollow Section-Square Tubes
Application:
It is widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.
Standard：
ASTM A500, GB6728
Steel grade:
ASTM A500: A, B, C
GB6728：Q195，Q215，Q235，Q345
Size of Pipe:
*Remark: Besides below sizes, we also can arrange production based on requirement of customers
SIZE(mm) | THICKNESS(mm) |
10×10 | 0.6-1.0 |
12×12 | 0.6-1.0 |
16×16 | 0.6-1.2 |
19×19 | 0.6-1.5 |
20×20 | 1.6-1.5 |
25×25 | 1.0-2.75 |
30×30 | 1.0-2.75 |
32×32 | 1.0-3.0 |
38×38 | 1.0-3.0 |
40×40 | 1.0-3.5 |
50×50 | 1.0-5.0 |
60×60 | 1.0-6.0 |
63.5×63.5 | 1.0-6.0 |
70×70 | 1.5-6.0 |
75×75 | 1.5-6.0 |
80×80 | 2.0-6.0 |
90×90 | 2.0-6.0 |
100×100 | 2.3-6.0 |
120×120 | 4.0-6.0 |
125×125 | 4.0-6.0 |
150×150 | 4.0-8.0 |
200×200 | 6.0-12 |
250×250 | 6.0-12 |
300×300 | 6.0-12 |
400×400 | 6.0-12 |
Standard: ASTM A500
Chemical Composition(%)
Chemical Requirement | ||||
| Composition % | |||
Grade A | Grade B | |||
Heat | Product | Heat | Product | |
Element | analysis | analysis | analysis | analysis |
Carbon max | 0.26 | 0.3 | 0.22 | 0.26 |
Manganese max | … | … | 1.4 | 1.45 |
Phosphorus, max | 0.035 | 0.045 | 0.03 | 0.04 |
Sulfur max | 0.035 | 0.045 | 0.02 | 0.03 |
Where an ellipsis (...)appears in this table, there is no requirement | ||||
For each reduction of 0.01 percentage point below the specified maximum for carton, and increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50% by heat analysis and 1.6% by product analysis | ||||
Mechanical Properties
Tensile Requirement | ||
| Grade A | Grade B |
Tensile strength, min, psi (Mpa) | 48000 (400) | 70000 (483) |
Yield strength, min, psi (Mpa) | 36000 (250) | 50000 (345) |
Elongation in 2 in. (50.8mm), min, % | 23 | 23 |
GB6728：
Steel Grade |
CHEMICAL COMPOSITION |
MECHANICAL PROPERTIES | ||||||
|
C (%) |
Si (%) |
Mn
(%) |
P(%)
Max |
S (%)
Max |
YS(Mpa)
Min |
TS(Mpa)
Min |
El (%)
Min |
Q195 |
0.06-0.012 |
0.3 |
0.25-0.5 |
0.45 |
0.5 |
195 |
315 |
22 |
Q215 |
0.09-0.15 |
0.3 |
0.25-0.55 |
0.45 |
0.5 |
215 |
335 |
22 |
Q235 |
0.12-0.22 |
0.3 |
0.3-0.7 |
0.45 |
0.45 |
235 |
375 |
20 |
Q345 |
0.20 |
0.55 |
1.0-1.6 |
0.45 |
0.45 |
345 |
510 |
21 |
Square Welded Hollo Sectio/Welded Rectangle Hollow Section
- Q: What are the different types of steel pipe fittings for industrial applications?
- There are several different types of steel pipe fittings commonly used in industrial applications. These include elbows, tees, couplings, unions, reducers, flanges, and caps. Each of these fittings serves a specific purpose in connecting and directing the flow of fluids or gases within a piping system.
- Q: Will the steel tube dance?
- In a single pole dance performance, the dancer moves more naturally, herself, moves and techniques, and does what she wants to do, while the style of dance is determined by herself, no one intervenes, and quite free.
- Q: Can steel pipes be used for conveying compressed air?
- Indeed, compressed air can indeed be conveyed through steel pipes. In industrial settings, steel pipes find frequent use due to their ability to withstand high pressure and maintain durability. With their remarkable tensile strength, steel pipes prove capable of handling the immense pressures generated by compressed air systems. Furthermore, the resistance of steel pipes to corrosion becomes crucial when confronted with moisture within compressed air. Nevertheless, it remains vital to guarantee that the steel pipes are adequately sized and rated to meet the precise pressure and flow prerequisites of the compressed air system. Moreover, adhering to proper installation and maintenance practices becomes imperative to avert any potential leaks or failures.
- Q: Could you tell me what difference between SC galvanized steel pipe and MT wire pipe?
- Hot galvanized steel pipe galvanized color silver plated SC.MT wire pipe galvanized color silver plated or silver plated cold yellow fever.
- Q: Are steel pipes suitable for use in acidic environments?
- Yes, steel pipes are generally suitable for use in acidic environments. However, the specific grade of steel and the concentration of the acid should be considered to ensure proper corrosion resistance. Coating or lining the pipes with materials such as epoxy or rubber can also enhance their resistance to acidic conditions.
- Q: Can steel pipes be used for underground steam pipelines?
- Yes, steel pipes can be used for underground steam pipelines. Steel pipes are commonly used for various types of pipelines, including steam pipelines, due to their strong and durable nature. Steel pipes have the ability to withstand high temperatures and pressures, making them suitable for transporting steam underground. Additionally, steel pipes have excellent corrosion resistance properties, which is important for underground pipelines as they are exposed to moisture and potentially corrosive elements in the soil. Overall, steel pipes are a reliable and commonly used choice for underground steam pipelines.
- Q: Can steel pipes handle extreme weather conditions?
- Yes, steel pipes are known for their ability to handle extreme weather conditions. Steel is a durable and strong material that can withstand harsh environmental elements, including extreme temperatures, high winds, heavy rainfall, and even extreme weather events like hurricanes and tornadoes. Steel pipes are commonly used in various industries and applications, such as water and sewage systems, oil and gas pipelines, and construction projects, precisely because of their resilience and ability to withstand extreme weather conditions. Additionally, steel pipes can be coated or treated to enhance their resistance to corrosion, further increasing their ability to handle extreme weather conditions.
- Q: Are steel pipes suitable for oil and petroleum applications?
- Yes, steel pipes are widely used in oil and petroleum applications due to their superior strength, durability, and resistance to corrosion. These pipes are capable of withstanding high pressure and extreme temperatures, making them suitable for transporting oil and petroleum over long distances. Steel pipes also have the advantage of being able to withstand external forces such as impact and vibrations, which are common in the oil and petroleum industry. Additionally, steel pipes can be easily welded and connected, allowing for efficient and cost-effective installation. Overall, steel pipes are the preferred choice for oil and petroleum applications due to their reliability and ability to ensure the safe and efficient transportation of these valuable resources.
- Q: What is the cost of steel pipes?
- The cost of steel pipes can vary depending on factors such as size, grade, and quantity. It is best to contact suppliers or check online platforms to get specific pricing information for the type of steel pipes you require.
- Q: What are the different types of steel pipe coatings for corrosion protection?
- There are several types of steel pipe coatings used for corrosion protection, including epoxy coatings, polyethylene coatings, zinc coatings, and coal tar coatings. Each coating offers different levels of protection and is chosen based on the specific application and environmental conditions.
1. Manufacturer Overview
| Location | Tianjin,China |
| Year Established | 2000 |
| Annual Output Value | Above Thirty Million RMB |
| Main Markets | China; Europe |
| Company Certifications | ISO9001:2000 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Tianjin；Qingdao |
| Export Percentage | 41% - 50% |
| No.of Employees in Trade Department | |
| Language Spoken: | English；Chinese |
| b) Factory Information | |
| Factory Size: | 53000square meter |
| No. of Production Lines | |
| Contract Manufacturing | OEM Service Offered；Design Service Offered |
| Product Price Range | Low Average |
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Hollow Section-Square Tubes
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
OKorder Service Pledge
OKorder Financial Service
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